8126181416 has 16 divisors (see below), whose sum is σ = 15242536800. Its totient is φ = 4061504944.

The previous prime is 8126181403. The next prime is 8126181491. The reversal of 8126181416 is 6141816218.

It is a self number, because there is not a number n which added to its sum of digits gives 8126181416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176300 + ... + 217563.

It is an arithmetic number, because the mean of its divisors is an integer number (952658550).

Almost surely, 2^8126181416 is an apocalyptic number.

It is an amenable number.

8126181416 is a deficient number, since it is larger than the sum of its proper divisors (7116355384).

8126181416 is a wasteful number, since it uses less digits than its factorization.

8126181416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396448 (or 396444 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 8126181416 is about 90145.3349652660. The cubic root of 8126181416 is about 2010.4603135413.

The spelling of 8126181416 in words is "eight billion, one hundred twenty-six million, one hundred eighty-one thousand, four hundred sixteen".